The tour of the 4MW Waste2Wealth plant run by INFINIS in Wales by the 15 UNIDO/Welsh Assembly Government African Enviropreneurs from 6 African countries. The gas recovery from an old landfill site is used to fire the 4MW facility.

The biomass plant of Sangüesa is the only one in Spain of its type. It consumes around 160,000 tonnes of cereal straw a year and produces sufficient electricity to cover the consumption of over 50,000 households. It represents an investment of 50 million euros.